Brent Stephenson / Stirling Falls dropping 146m into the sea, Milford Sound, Fiordland, South Island, New Zealand

Philippe Clement / Cannons at Stirling Castle, Central Scotland, UK, May 2010

Colin Monteath / Stirling Falls drops into Milford Sound, Fiordland National Park, New Zealand

Grant Stirling / Cultivated Apple (Malus domestica) cluster, Braeburn type, Nelson, New Zealand

Grant Stirling / New Zealand Flax (Phormium sp) flower, New Zealand

Konrad Wothe / Close up of cascades of Stirling Falls, Milford Sound, Fjordland National Park, South Island, New Zealand

Michael & Patricia Fogden / Christmas Tree (Nuytsia floribunda) and Bluff Knoll, Stirling Range National Park, Western Australia

Sue Flood / Researcher Ian Stirling examines tranquilised male Polar bear {Ursus maritimus} Hudson Bay, Canada. September 2001